#!/bin/bash



echo "hello1"

echo "hello2"
echo "hello3"
echo "hello4"
echo "hello5"
echo "hello6"
echo "hello7"
echo "hello8"
read -p "di 1 ge shu zi" num1
read -p "di 2 ge shu zi" num2
read -p "di 3 ge shu zi" num3
result=$(($num1+$num2+num3))
echo "和是$result"
# -lt less than
# -eq
# -ne not equals
if [ $num1 -gt $num2 ];then
	echo "shu zi 1 dadadaadada"

else
	echo "shu zi 1 dadadadadada"

fi


echo "................"



read -p "输入的字符串是："str
case $str in
	"hello")
		echo"输入的是hello"
		;;
	"h")
		echo"输入的是h"
		;;
	"a")
	        echo"输入的是a"
		;;

        "bb")

                echo"输入的是bb"
		;;
	*)

	        echo"上面的都没有匹配到"
		;;







esac





if (($num1 >$num2));then
	echo "shu zi 1 dadadadadada"
else
	echo "shu zi 2 dadadadadada"




exit 0
